Fix typo in docs
Fix typo in docs

Typo in the title of the `ConnectorSplitManager` section, it was Manger
one `a` was missing.

electrum/presto,hgschmie/presto,11xor6/presto,treasure-data/presto,smartnews/presto,wyukawa/presto,Praveen2112/presto,Praveen2112/presto,11xor6/presto,losipiuk/presto,wyukawa/presto,hgschmie/presto,electrum/presto,treasure-data/presto,ebyhr/presto,losipiuk/presto,smartnews/presto,losipiuk/presto,11xor6/presto,erichwang/presto,dain/presto,erichwang/presto,erichwang/presto,martint/presto,wyukawa/presto,ebyhr/presto,Praveen2112/presto,dain/presto,martint/presto,losipiuk/presto,hgschmie/presto,martint/presto,dain/presto,hgschmie/presto,martint/presto,smartnews/presto,smartnews/presto,electrum/presto,erichwang/presto,11xor6/presto,wyukawa/presto,treasure-data/presto,Praveen2112/presto,dain/presto,treasure-data/presto,11xor6/presto,erichwang/presto,ebyhr/presto,Praveen2112/presto,electrum/presto,dain/presto,electrum/presto,ebyhr/presto,treasure-data/presto,wyukawa/presto,smartnews/presto,losipiuk/presto,treasure-data/presto,hgschmie/presto,ebyhr/presto,martint/presto